#3A5745
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.8% 0.046 156.6), rgb(58, 87, 69).
Aa
White text reads best on this color (7.98:1).
About this color
#3A5745 is a dark, muted green. In OKLCH its lightness is 43%, its chroma 0.046 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.038 away. White text reads best on it, at 7.98:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | muted (0.046) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.62:1 |
| White text | 7.98:1 |
Values
| HEX | #3A5745 |
| RGB | rgb(58, 87, 69) |
| HSL | hsl(143, 20%, 28%) |
| OKLCH | oklch(42.8% 0.046 156.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #3A5745 | 7.98:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #3A5745 | 2.62:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #3A5745 text on white | 7.98:1 | AAA | Lc 87.6 | Fine for body text |
| #3A5745 text on black | 2.62:1 | Fails | Lc -14.5 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D2DCD5
oklch(88.5% 0.014 155.6)
-
Step 300
300
#B3C6BA
oklch(80.9% 0.027 158.1)
-
Step 400
400
#8CA996
oklch(70.7% 0.042 156.5)
-
Step 500
500
#6E947C
oklch(63.1% 0.055 156.7)
-
Step 600
600
#567E65
oklch(55.6% 0.059 156.5)
-
Step 700
700
#466A54
oklch(49% 0.054 156.9)
-
Step 800
800 (this color)
#3A5745
oklch(42.8% 0.046 156.6)
-
Step 900
900
#32473A
oklch(37.6% 0.034 157.1)
-
Step 950
950
#1D2A22
oklch(27% 0.023 157.4)
#3A5745 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #575344 | 0.043 |
| Deuteranopia (no green cones) | #524F46 | 0.042 |
| Tritanopia (no blue cones) | #355752 | 0.021 |
| Achromatopsia (no color) | #515151 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A5745
#3A5745
oklch(42.8% 0.046 156.6)
- #604659
#604659
oklch(42.9% 0.046 336.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3A5745, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.038
- Pine #2B5D34 ΔE 0.042
- Dark Green Blue #1F6357 ΔE 0.042
- Dark Blue Green #005249 ΔE 0.049
- Deep Teal #00555A ΔE 0.053
- Spruce #0A5F38 ΔE 0.053
- Petrol #005F6A ΔE 0.062
- Dark Teal #014D4E ΔE 0.063
Use #3A5745 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.